Contactor Based Auto Changeover Switches

Contactor based Auto Changeover Switches (ACOS) provide the user an automated system to changeover from the primary supply to an alternate one, if the primary supply is unhealthy/unavailable. The changeover occurs automatically within a settable time period.

Key Features

  • ACOS designed as per EED-Q-264 STD.
  • Available rating upto 300A
  • Different Voltage Rating of ACOS from 380VAC, 415VAC, 440VAC
  • Compatible with 50Hz/60Hz
  • Minimum changeover time from 80 mSec to 800 mSec
  • Emergency HCOS provided
  • Mechanical, Electrical and Electronic Interlocks for robust protection
  • Military grade hardware
  • Halogen free and Low Fire Hazard cable used for control and power cable harness.
  • Environmental Type tested as per JSS 55555.
  • EMI/EMC Type tested as per MIL STD 461E.
  • Enclosure Protection - IP55 as per JSS 55555.

Thyristor Based Auto Changeover Switches

Thyristor based Auto Changeover Switches (ACOS) provide the user an automated system to changeover from the primary supply to an alternate one, if the primary supply is unhealthy/unavailable. The changeover occurs automatically within a settable time period. Thyristor based ACOS provides a significantly lower changeover time and are used for mission critical systems

Key Features

  • ACOS designed as per EED-Q-264 STD.
  • Available rating upto 300A
  • Different Voltage Rating of ACOS from 380VAC, 415VAC, 440VAC
  • Compatible with 50Hz/60Hz
  • Minimum changeover time from 11ms to 25ms
  • Emergency HCOS provided
  • Mechanical, Electrical and Electronic Interlocks for robust protection
  • Military grade hardware
  • Halogen free and Low Fire Hazard cable used for control and power cable harness.
  • Environmental Type tested as per JSS 55555.
  • EMI/EMC Type tested as per MIL STD 461E.
  • Enclosure Protection - IP55 as per JSS 55555.

Hand Changeover Switches

Hand Changeover Switches (HCOS) provide the user to manually change the primary power supply to an alternative one. The output supply can connected to various systems/equipment as required.

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